Cooking surfaces resistant to stain retention and cooking articles or household appliances incorporating such cooking surfaces

A technology for household appliances and products, applied in special materials for cooking utensils, transportation and packaging, vacuum evaporation coating, etc., can solve the problems of unsatisfactory cleaning, adhesion, and inability to effectively counteract the cooking surface.

Active Publication Date: 2017-10-24
SEB SA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this composition is not effective against the oxidation phenomena that produce stain retention on cooking surfaces, especially when cooking is performed at elevated temperatures
Furthermore, these coatings still tend to stick when cooking certain foods such as potatoes or fish in particular
Therefore, the cleaning of these cooking surfaces remains unsatisfactory

Method used

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  • Cooking surfaces resistant to stain retention and cooking articles or household appliances incorporating such cooking surfaces
  • Cooking surfaces resistant to stain retention and cooking articles or household appliances incorporating such cooking surfaces

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] A first embodiment of the invention concerns the deposition of a coating (Nb,Al)N on a substrate.

[0038] The substrate may advantageously consist of one or more metal sheets of the following materials: aluminium, copper, pig iron, steel, especially stainless steel. The substrate used is preferably an austenitic stainless steel (eg type 304 stainless steel) after ion descaling and degreasing of the substrate. More generally, the culinary product consists of a sandwich material comprising three co-rolled sheets with an aluminum sheet inserted between two stainless steel sheets to obtain a stainless steel / aluminum / stainless steel "triple" material.

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Abstract

The present invention relates to a food cooking surface for cooking household appliances or cooking products, consisting of a deposit of a nitride of a metal element on a substrate, the metal element of the deposit comprising one or more transition metal X and aluminum, the manufacture of said deposits includes a nitriding step to obtain a coating of (X,Al)N type. According to the invention, a coating of the (X,Al)N type is a coating of one or more nitrides of the one or more transition metals X rich in aluminium, in which niobium and / or zirconium are present in the one or more or a plurality of transition metals X, and the proportion of aluminum atoms in the metallic elements of said deposit is at least equal to 20%. The invention also relates to a cooking article or household appliance intended to cook food, comprising a cooking surface of the type described above.

Description

technical field [0001] The present invention relates to the field of household appliances and culinary preparations intended to cook food, and more particularly to the cooking surface of these household appliances or culinary preparations which comes into contact with the food to be treated. [0002] The present invention aims to improve hard cooking surfaces which can be cleaned by means of tampon abrasif without causing scratches to form. Background technique [0003] Stainless steel is commonly used for cooking surfaces. However, stainless steel is not hard enough to withstand cleaning with grinding pellets. Moreover, these materials have the phenomenon of retaining stains when cooking, and the phenomenon of sticking food when cooking. [0004] Patent applications FR2848797, FR2883150 and FR2897250 disclose cooking surfaces that are harder than stainless steel. These surfaces in particular have the property of being relatively easy to clean after their use as a food co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C14/06C23C14/02C23C14/00A47J36/02
CPCC23C14/0036C23C14/025C23C14/0641Y10T428/265Y10T428/31678A47J36/02
Inventor P·皮雅J-F·皮尔森A·梅热-勒维F·特希尔S·阿勒芒S·蒂费
Owner SEB SA
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